Ljubljana weather in September
Mild and comfortable, with some rainy days. Average highs of 21°C and lows of 12°C, with around 12 rainy days expected throughout the month.
While September isn't our top-rated month for Ljubljana, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
21°C
Average low
12°C
Rainy days
12 days
Best months to visit
June, July, August
What to do in Ljubljana in September
Whatever the weather, Ljubljana rewards curious visitors. Here are some of the best ways to spend your time:
Explore the historic centre of Ljubljana
Taste local cuisine at traditional restaurants
Visit cultural museums and heritage sites
Walk scenic trails around Ljubljana
Shop at local markets and artisan stores
Enjoy sunset views from elevated viewpoints
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
5C
Cold, with occasional showers.
February
8C
Cold, with some rainy days.
March
12C
Cool, with occasional showers.
April
16C
Cool, with some rainy days.
May
19C
Mild and comfortable, with regular rainfall.
Recommended
June
25C
Warm and pleasant, with some rainy days.
Recommended
July
27C
Warm and pleasant, with some rainy days.
Recommended
August
26C
Warm and pleasant, with some rainy days.
September (you are here)
21C
Mild and comfortable, with some rainy days.
October
17C
Cool, with occasional showers.
November
10C
Cool, with some rainy days.
December
6C
Cold, with occasional showers.
Book your September trip to Ljubljana
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